Question

Can't receive the http reponse over the ipv6 6to4 tunnel, but the ipv6 and ipv4 is normal.

Hi:

I’m behind a ipv4 nat network. But i have a 6to4 tunnel network to access the ipv6 server . So I can visit the youtube and google.com.hk through this tunnel with a ipv6 address like “2002:73b7:873f::5626:96ff:fed1:bbe1”.

Today i setup my droplet’s nginx and enabled the ipv6. Now, my friend in the school can access all server page. they have the ipv6 addres begin with 2001::, they can access the server normally. But i can only access some small object like robots.txt.

So i believe is not my server config error. It’s a network issue. Is anyone can help me?

Report like below:

liudeMacBook-Pro:tmp iflamed$ wget -6 http://www.learntoask.xyz –2015-04-11 02:00:55-- http://www.learntoask.xyz/ Resolving www.learntoask.xyz… 2604:a880:1:20::15c:f001 Connecting to www.learntoask.xyz|2604:a880:1:20::15c:f001|:80… connected. HTTP request sent, awaiting response… ^C

liudeMacBook-Pro:tmp iflamed$ wget -6 http://www.learntoask.xyz/robots.txt –2015-04-11 02:04:09-- http://www.learntoask.xyz/robots.txt Resolving www.learntoask.xyz… 2604:a880:1:20::15c:f001 Connecting to www.learntoask.xyz|2604:a880:1:20::15c:f001|:80… connected. HTTP request sent, awaiting response… 200 OK Length: 24 [text/plain] robots.txt: Permission denied

Cannot write to ‘robots.txt’ (Permission denied). liudeMacBook-Pro:tmp iflamed$

When I request the / page, it let me awaiting; But I request the robots.txt, it respond immediately. But when i see the nginx access log, the reponse status is 200 and has finished.

More details, you can contact me with email “iflamed@126.com”.

Thanks a lot!

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I have fixed! Just change the network mtu to 1280!